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Method for producing a steel sheet with dual-phase structure composed of ferrite- and rapidly-cooled-transformed phases
Method for producing a steel sheet with dual-phase structure composed of ferrite- and rapidly-cooled-transformed phases
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机译:由铁素体相变相和急冷相变相构成的双相组织的钢板的制造方法
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摘要
A method for producing a steel sheet of dual-phase structure composed of ferrite phase and transformed phase (or phases) produced by rapid cooling, which comprises isotropically dispersing a carbon concentrated phase by a pretreatment of the steel sheet and continuously annealing the steel sheet thus pretreated in the alpha-gamma range, followed by cooling at a rate not larger than about 10000° C/min., as defined herein.
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